Since the protagonist Ryouta Tachibana enrolled in Kousei Academy,
he has concentrated on base ball practice for his purpose of the national competition.
His practice is very hard but supported nicely by a manager of the baseball club,
Because the baseball club prohibits team members from dating,
— Until their relationship is found out by a new coach Gouda.
Knowing their relationship, Gouda forces Misaki into sex.
Gouda intesenly r*pes Misaki with an attempt to make her his own woman,
When a cunning junior boy Kobori comes to know about the relationship
[From DLsite English]